2684results about How to "Extend your life" patented technology

The invention discloses a coated titanium anode and an embedding preparation method thereof, and belongs to the technical field of coated titanium anodes, metal salt powder, an organic additive and inert filler are fully mixed to form embedding agent powder, the mass fraction of metal salt is 45-59%, the mass fraction of the organic additive is 1-5%, and the mass fraction of the inert filler is 40-50%; the sintering treatment is as follows: the pretreated titanium substrate is completely immersed in the embedding agent powder, the sintering temperature is 400-600 DEG C, the sintering time is 1-3 hours, and the heating rate is 5-10 DEG C / min. According to the method, low-temperature sintering is realized by precisely regulating and controlling the components and the proportion of the embedding medium and combining process parameters such as low-temperature sintering, and the damage to a titanium substrate is avoided; and meanwhile, the coating binding force of the titanium anode is improved, the service life of the titanium anode is prolonged, and technical innovation and industrial value are achieved.

The invention relates to a direct current side coupling type super capacitor-battery hybrid energy storage system. According to the energy storage system, a super-capacitor module and a battery module are directly connected on the direct current side through a bidirectional DC / DC converter, the super-capacitor module is connected with a power grid through a current source type converter, the battery module is connected with the power grid through a voltage source type converter, and a modularized and extensible topological structure is formed. The system has multiple differentiated working modes, cooperative efficient operation of the super-capacitor and the battery can be achieved according to working conditions, high-frequency / short-time power is preferentially borne by the super-capacitor, and the battery is responsible for steady-state energy adjustment. And meanwhile, by virtue of the boosting capability of the current source type converter, the super capacitor can support the power grid in a short time and strong manner in a deep discharging manner. And the battery module charges the super capacitor module through the bidirectional DC / DC converter, so that the influence of frequent charging of the super capacitor on the grid-side electric energy quality is reduced. The method can effectively reduce the aging loss of the battery, improves the energy storage utilization efficiency and the power grid friendliness, assists the new energy consumption and the safe and stable operation of the power grid, and has economic and social benefits.

The invention discloses an inverter bus ripple active suppression method and system. The method comprises the following steps: collecting bus voltage and current, and extracting a broadband ripple frequency spectrum; inputting the broadband ripple frequency spectrum and the operation data of the inverter into a physical degradation model, and predicting the service life state of the electrolytic capacitor; a dynamic frequency tolerance threshold matrix is constructed through the predicted service life state of the electrolytic capacitor, and a sensitive frequency band of the electrolytic capacitor is identified; threat degree evaluation is carried out on each sensitive frequency band, and a frequency-varying virtual impedance network used for inverting a compensation voltage reference instruction is constructed according to an evaluation result; and according to the generated compensation voltage reference instruction, an inverter power switch tube is driven to generate corresponding compensation voltage. The system is used for implementing the method. The beneficial effects of the invention are that the ripple suppression is converted into a dynamic complementation problem between the capacitance physical impedance degradation amount and the inverter virtual impedance compensation amount, and the reliability and economical efficiency of an inverter system are greatly improved.

The invention provides a method for regulating and controlling a hydrodynamic balance valve with a real-time load feedback function, and the method comprises the steps: collecting the strain, water level, gas, vibration and motor current data of the balance valve in real time, constructing and utilizing a comprehensive load balance model, and calculating the effective safety torque of the balance valve in real time at an edge calculation layer; a mechanical wear degradation factor is calculated based on the action history and the current variance of the locking mechanism, and the instantaneous instability risk probability is calculated in combination with the effective safety torque and the current locking torque; according to the instantaneous instability risk probability, an output mode of a locking mechanism is dynamically adjusted to execute a graded locking action; and periodically calculating a full-life-cycle health degree index, and automatically generating a maintenance or replacement work order when the full-life-cycle health degree index is lower than a preset threshold value. According to the invention, the conversion from passive alarm to active defense is realized, and the safety and operation and maintenance efficiency of the urban balance valve in rainstorm, heavy load and corrosion environments are obviously improved.

The invention relates to the field of solid-state batteries, in particular to a halide electrolyte, a preparation method and a solid-state battery. The halide electrolyte comprises a tin element, and the chemical formula of the halide electrolyte is Li2Zr < 1-x > Sn < x > Cl < 6-4x > O < 2x >, and x is less than or equal to 0.3. Through tin-oxygen co-doping, force is exerted at the same time from the two aspects of crystal structure (bulk phase) and interface chemistry, the key problems of ionic conductivity, electrochemical stability, interface compatibility and the like are cooperatively solved, the cost and the process are perfectly considered, and an all-solid-state battery electrolyte solution with a great commercialization prospect is provided.

The invention relates to the technical field of waste resource recycling and automatic processing, and discloses a waste household appliance disassembling process parameter adaptive control method and system, and the method comprises the steps: carrying out the registration fusion of multi-view surface data, and obtaining a complete point cloud model; identifying a high-deformation area based on curvature features and fitting cutting reference surface parameters; performing smooth adjustment on the reference plane parameters according to the pose difference of the adjacent areas to obtain a coordinated reference plane set; generating an initial compensation vector in combination with the discrete points of the cutting path, and correcting direction mutation to obtain a preliminary compensation instruction; and real-time cutting feedback data are collected in the disassembling process, if the machining state is abnormal, the compensation vector of the follow-up path is corrected, and a target self-adaptive control instruction is obtained. According to the invention, self-adaptive precise cutting of waste household appliance parts with complex deformation and uneven material characteristics can be realized.

The invention discloses a wear online identification and compensation control system and method for a high-pressure distribution plunger and barrel assembly, and the system comprises a data collection module which is used for collecting working condition data and state data; a health state dynamic baseline model obtained through offline training is arranged in the data processing module, and the wear level of the plunger and barrel assembly is recognized by calculating the residual error between actual state data and health state data predicted by the model under the current working condition; and the compensation control module is used for generating a self-adaptive compensation control instruction according to the identified wear grade and the current working condition and sending the self-adaptive compensation control instruction to an execution mechanism. According to the method, the dynamic base line synchronous with the real-time working condition is constructed, early weak wear characteristics can be separated from strong working condition interference, the recognition sensitivity and accuracy are improved, the influence of wear on the system performance is actively counteracted through closed-loop adaptive compensation control, the service life of equipment is expected to be prolonged, and the system performance is improved. And technical support is provided for predictive wear monitoring management.

The invention discloses a cooling control method and device for immersed liquid cooling energy storage equipment and electronic equipment. The method comprises the following steps: acquiring battery pack temperature information and cooling liquid temperature information of the immersed liquid-cooled energy storage equipment, and determining a thermal load value of the immersed liquid-cooled energy storage equipment according to the battery pack temperature information and the cooling liquid temperature information; establishing a temperature prediction model according to the thermal load value, and determining a temperature change trend of a battery pack in the immersed liquid cooling energy storage equipment in a preset time period through the temperature prediction model; and adjusting cooling control parameters of the circulating cooling system by adopting a self-adaptive segmented control strategy according to the temperature change trend, and cooling the battery pack according to the cooling control parameters. The technical problems that the circulating cooling system of the immersed liquid cooling energy storage equipment in the related technology cannot effectively predict the temperature change trend of the battery pack and dynamically adjust the cooling control parameters, the system energy consumption is high, and it is difficult to ensure that the battery pack runs within the safe working range are solved.

The utility model belongs to the technical field of plasma rotating electrode powder manufacturing equipment, and relates to a vacuum dynamic sealing structure of a plasma gun for powder manufacturing, which comprises an external powder blocking module and a dynamic sealing module, the external powder blocking module consists of a first powder blocking plate, a powder blocking ring and an insulating powder blocking plate, the first powder blocking plate is fixed at the top of a plasma gun body to form an arc-shaped shielding surface, and the dynamic sealing module is fixed at the top of the plasma gun body. The powder retaining ring coaxially sleeves the positive electrode of the plasma gun body and forms an annular gap type powder blocking structure with the insulating powder retaining plate; the dynamic sealing module is sequentially provided with a dynamic sealing installation metal cylinder, an insulating cylinder and a sealing assembly from outside to inside in the radial direction of the plasma gun body, the insulating cylinder and the dynamic sealing installation metal cylinder form a step-shaped sealing structure, and vacuum sealing and electrical isolation are achieved between the dynamic sealing module and the external powder blocking module through bakelite and an O-shaped sealing ring. The vacuum dynamic sealing structure provided by the utility model has the advantages of powder isolation, reliable sealing, no burning loss short circuit and no need of vacuum grease auxiliary sealing lubrication.

The application relates to a kind of distributed unmanned aerial vehicle ad hoc network routing methods based on deep reinforcement learning, comprising;According to Markov decision process, the deep reinforcement learning architecture of unmanned aerial vehicle communication network is built;Running Dijkstra algorithm sends original data packet from source node to destination node and generates original training data according to the routing process of original data packet to pre-train the deep reinforcement learning architecture;The coordinates of the destination node D of target data packet are input, the next hop node B of current node A is obtained using the pre-trained deep reinforcement learning architecture, and target training data is generated, and the deep reinforcement learning architecture is retrained according to the original training data and target training data;Next hop node B is used as starting node, until the next hop node is the destination node, the routing of target data packet is completed, and the application can enhance the robustness of network and improve the life of unmanned aerial vehicle communication network.

The utility model discloses a stopper and a vertical warehouse shuttle vehicle system, the stopper comprises a base, the base is provided with a gap in the direction impacted by a shuttle vehicle, a turnover stop block is arranged in the gap, and the base is also provided with a push rod mechanism in the direction of an elevator; the stop block comprises a body and an elastic piece, horizontal movement of the push rod mechanism under the stress effect is converted into rotary movement of the elastic piece, the elastic piece drives the body to turn over under the action of the rotary movement, when the body turns over to be higher than the notch, the shuttle vehicle is stopped, and when the body turns over to be lower than or flush with the notch, the shuttle vehicle is not stopped. The stop block and the gear shaft are linked through the elastic piece, that is, the stop block is driven to rotate through the elastic piece when the gear shaft rotates, the stopper can be buffered to a certain degree through connection of the elastic piece, gear damage or cylindrical head screw deformation is avoided, and the service life of the stopper is prolonged.

The application relates to the technical field of vehicle emission control, and discloses a vehicle regeneration prompting method, device, equipment, medium and program product. The method comprises the following steps: acquiring a multi-dimensional parameter value; judging whether the SCR urea crystallization amount exceeds a first threshold value of the crystallization amount according to the SCR mixer inlet temperature and a urea crystallization risk index; and when the SCR urea crystallization amount exceeds the first threshold value of the crystallization amount, entering a first prompting mode. According to the technical scheme, the regeneration demand can be prompted according to the SCR mixer inlet temperature and the urea crystallization risk index, the performance decline of the vehicle caused by the urea crystallization accumulation can be effectively prevented, and the reliability and operation efficiency of the vehicle emission system are improved.

The present application relates to a kind of catalyst for hydrogen chloride oxidation preparation chlorine and its preparation method and application.The preparation method includes: after carrier substrate, metal tantalum powder, binder solution are mixed, extrusion forming is obtained green body, the green body is prepared composite carrier by calcination, the mass fraction of metal tantalum powder in the composite carrier is 5%-30%;Inorganic salt containing catalytically active element is made into solution and is placed in the composite carrier, and after drying, pre-product is obtained, and the pre-product is prepared catalyst by calcination.The preparation method described in the present application prepares high thermal conductivity composite carrier, not only effectively improves the heat conduction efficiency of catalyst, guarantees the effective activity of catalyst, but also guarantees the stability of composite carrier, thereby effectively prolongs the life of catalyst.

The application provides a semiconductor laser chip and a preparation method thereof. The chip comprises an electrode structure arranged on the surface of an epitaxial structure of the chip; the electrode structure comprises a contact layer, a stress dissipation layer, a gradient transition layer, and a metal structure; the stress dissipation layer is a metal film and has a periodic continuous undulating waveform structure on at least one side surface in the epitaxial direction; the gradient transition layer has a thermal expansion coefficient that changes in a gradient along the thickness direction of the gradient transition layer, and the thermal expansion coefficient of the side of the gradient transition layer close to the epitaxial structure matches the thermal expansion coefficient of the epitaxial structure, and the thermal expansion coefficient of the side of the gradient transition layer away from the epitaxial structure matches the thermal expansion coefficient of the metal structure electrically connected with the chip. The application solves the packaging stress problem caused by the mismatch of the thermal expansion coefficients between the epitaxial structure of the chip and the metal layer and / or the solder layer in the prior art, thereby improving the mechanical reliability, electrical stability and optical performance of the device.

The utility model discloses an electromagnetic damping vibration isolation device belongs to vibration control technical field. The utility model solves the technical problem of the magnetic field intensity fixed of electromagnetic damping vibration isolation device and coil heating easily leads to performance attenuation. The utility model discloses an electromagnetic damping vibration isolation device, including coil subassembly and conductor block. Coil subassembly includes coil and coil clamp. Coil clamp is held in the outer periphery of coil. Coil clamp includes clamp body and water cooling pipeline. The heat dissipation block is equipped on the clamp body, and the heat dissipation block extends along the radial direction of coil, and multiple heat dissipation blocks are evenly arranged around coil. The water cooling pipeline is surrounded in the clamp body. The conductor block is located between at least two groups of coil subassembly, and the magnetic pole of every two groups of coil subassembly is opposite, thereby making the conductor block can be subjected to electromagnetic damping force when producing vibration. The utility model discloses a vibration isolation device can cover the vibration control demand of multiple frequency bands, avoids coil overheat aging, improves the life of vibration isolation device.

The utility model provides a sewage membrane filter device with automatic backwash function relates to sewage treatment equipment technical field, and this device includes filter jar body, the membrane filter subassembly of being immersed in jar body, and water inlet pipeline, water outlet pipeline and sludge discharge pipeline. Its core improvement is integrated with a set of intelligent automatic backwash system, and this system is constituted by backwash water supply pipeline, gas water collaborative flushing unit, parameter detection unit and intelligent control unit. The gas water collaborative flushing unit includes the micropore aerator of being established in the membrane subassembly below jar body bottom, is used for generating tiny air bubble to carry out physical scrubbing to membrane surface, backwash water supply pipeline is connected water outlet pipe, can pump into membrane subassembly water production side with water production reversely. Control unit is based on sensor signal such as transmembrane pressure difference, and the automatic switching and collaborative operation of intelligent control gas washing, water backwash and sludge discharge process, thereby realize efficient, energy -conserving, full -automatic membrane pollution cleaning, significantly prolong the life of membrane and reduce operation maintenance cost.

The application discloses a kind of building safety monitoring inclination sensor sampling optimization and early warning method, its steps are as follows: step one, inclination monitoring sensor data preprocessing;Step two, selected time analysis model: determine time series prediction analysis model to sample data set after eliminating problem data;Step three, carry out data thinning, determine sensor sampling frequency: collect high-frequency time series data {K i},Data thinning is carried out to high-frequency data, and low-frequency data set is generated, and when low sampling frequency can, when can not complete expression high sampling frequency data integrity, to determine sensor sampling frequency;Step four, select early warning threshold analysis index: set the threshold range suitable for building inclination monitoring data, and timely early warning to abnormal value exceeding set range.The application can realize the abnormal inclination of building in time and take corresponding measures to handle and repair, guarantee the safety and stability of building.

The application belongs to the technical field of combustion engines, and provides a large-size side exhaust pipe of a turboshaft engine, which comprises: a pipe body having an inlet end and an outlet end; an outlet reinforcing structure arranged at the outlet end region of the pipe body; a support structure arranged inside the pipe body; an anti-abrasion connecting structure arranged at the inlet end of the pipe body; and an internal flow passage of the pipe body is configured to guide the gas input from the inlet end to be discharged laterally at the outlet end, the internal flow passage of the pipe body has a preset expansion cone angle θ2, the flow passage center line of the pipe body is a three-dimensional space curve constructed based on a non-uniform rational B-spline curve, and the ratio of the outer diameter size of the inlet end to the center transverse distance between the inlet end and the outlet end satisfies a preset condition. The core aerodynamic problem of "complex internal flow field organization of a large-size side exhaust pipe, non-uniform outlet flow field and small effective aerodynamic area" in the prior art is solved, and the limit performance of the exhaust pipe is excavated without affecting the performance of the engine.

The application discloses a micro-force measuring device and method, which comprises a pair of first parallel-plate capacitors and two pairs of second parallel-plate capacitors in a comb structure, two pairs of force-sensitive elements, force-loading probes, a capacitance measuring circuit and a micro-force measuring unit, wherein the first parallel-plate capacitors are variable-distance capacitors, the second parallel-plate capacitors are variable-area capacitors, the capacitance measuring circuit measures the capacitances of the first parallel-plate capacitors and the second parallel-plate capacitors after the force-loading probes are forced to move, and the micro-force measuring unit calculates the movement displacement of the force-loading probes under small-range micro-force measurement and large-range micro-force measurement respectively according to the measured capacitances, and calculates the micro-force under corresponding range micro-force measurement according to the movement displacement and the spring stiffness of the force-sensitive elements. The application has the characteristics of high sensitivity and long service life, and can realize high-precision and large-range testing and force resolution adjustment simultaneously.

The utility model discloses a kind of lubricating devices for half self-grinding machine gear, including base and half self-grinding machine installed above it, including first shell, injection device, second shell, bull gear, pinion, oil receiving box, oil guide pipe, driving assembly and filter assembly;Bull gear is installed in one end of half self-grinding machine;Driving assembly is connected with pinion;Bull gear and pinion are engaged;First shell and second shell are respectively sleeved in the outside of bull gear and pinion;Injection device is installed at the junction of first shell and second shell;Oil receiving box is installed in the inside of base;The upper end of oil guide pipe is connected with first shell, and lower end is connected with oil receiving box;Filter assembly is connected with oil receiving box.The utility model's injection device is installed above bull gear and pinion engagement point, so that lubricating oil is injected to bull gear immediately after engaging and lubricating with pinion, waste oil is collected into oil receiving box by combining first shell, is filtered in filter assembly, is recycled, and reduce lubricating oil waste.

According to the variable-flow IGBT evaporative cooling system and the control method provided by the invention, dryness online calculation and closed-loop control based on pressure and density signals are introduced into the IGBT evaporative cooling system, so that accurate sensing and active regulation and control of a phase change state of a cooling medium are realized; therefore, it is ensured that the IGBT module is always in a gas-liquid mixing environment with the optimal heat exchange efficiency, the efficient heat dissipation capacity of phase change latent heat is fully utilized, local overheating or temperature fluctuation caused by excessive evaporation or insufficient liquid phase is avoided, the heat dissipation uniformity, stability and energy efficiency are fundamentally improved, and the heat dissipation efficiency is improved. The self-adaptive capacity of the system to different load working conditions is enhanced, and the guarantee is provided for long-term reliable operation and service life prolonging of the IGBT module through direct control over the key state quantity of dryness.

This invention discloses a low-temperature start-stop control method for a hydrogen fuel cell vehicle, comprising: during the startup of the on-board fuel cell system, performing a self-check to determine whether the ambient temperature is below 0°C; when the ambient temperature is below 0°C, detecting the operating status of the hydrogen fuel cell vehicle and executing different cold-start strategies according to the operating status; during the shutdown of the on-board fuel cell system, detecting the ambient temperature, and when the ambient temperature is below 0°C, executing a shutdown strategy to reduce cooling circuit heat dissipation. The shutdown strategy to reduce cooling circuit heat dissipation includes: reducing the cooling circuit temperature to a first preset temperature, where the first preset temperature is greater than 30°C. This invention's low-temperature start-stop control method for hydrogen fuel cell vehicles adopts a self-starting approach, avoiding multiple cold starts due to energy allocation during operation in low-temperature environments. It optimizes the fuel cell system shutdown purging strategy during vehicle operation, increases the shutdown temperature, slows down system temperature drop, improves insulation, reduces the risk of low-temperature cold start failure, improves fuel cell stack lifespan, reduces the additional heating space of the fuel cell, and reduces additional consumption of the fuel cell system.

The invention provides a surface mount filter temperature characteristic testing device, which belongs to the technical field of electronic component testing and comprises an in-box testing unit and a main control and data acquisition system. The in-box test unit comprises a multi-station test fixture system, a high and low temperature control system and an automatic switch switching system; the multi-station test fixture system comprises a PCB circular plate; the automatic switch switching system comprises a signal input interface, a signal output interface, an upper layer radio frequency switch and a lower layer radio frequency switch. And the master control and data acquisition system is in communication connection with the high and low temperature control system. According to the integrated PCB test module, the multiple radio frequency switches and the transmission lines with the same length, the uncertainty and loss of radio frequency paths are reduced to the maximum extent, and the consistency and accuracy of test data are ensured. The invention further discloses a testing method of the surface mount filter temperature characteristic testing device.

This invention belongs to the field of catalyst preparation technology, specifically disclosing a catalyst for the hydrogenation of carbon dioxide to low-carbon olefins, its preparation method, and its application. The preparation method is as follows: An aqueous solution of the target metal salt is prepared, a precipitant is added for co-precipitation, and the solution is filtered, washed, dried, and calcined to obtain the corresponding metal oxide. An aluminum source, triethyl phosphate, a silicon source, and an imidazole derivative template agent are added to deionized water, and mixed to form a concentrated gel. The resulting concentrated gel system is heated to crystallize without the addition of a mesoporous pore-forming agent. The crystallized product is separated, washed, dried, and calcined to obtain a molecular sieve. The metal oxide and the molecular sieve are physically mixed and ground at a mass ratio of 1:10 to 10:1 to obtain a composite catalyst. This invention, through the synergistic effect of triethyl phosphate and the concentrated gel system, induces a non-classical growth mechanism to achieve multi-level pore self-assembly, without the need for additional mesoporous template agents, and significantly reduces the amount of template agent used. The composite catalyst exhibits mild acidity and excellent diffusion performance.

This utility model discloses an integrated transition yaw connection system for wind turbines, belonging to the technical field of wind power generation equipment. The system includes a wind turbine tower, a slewing bearing, a short-section cylinder, and a lower platform. The wind turbine tower has a truss-type hollow structure. The short-section cylinder is vertically arranged and its top is welded to the lower platform as a whole. Its bottom is connected to the top of the tower through the slewing bearing. This utility model uses a hierarchical structure of truss tower-slewing bearing-short-section cylinder-platform. It utilizes the short-section cylinder to distribute the nacelle load and compensate for installation errors. Combined with the slewing bearing, it achieves low-friction and stable yaw. This structure effectively solves the problems of heavy self-weight, obvious yaw vibration, complex assembly, and easy wear of connection parts of traditional wind turbine towers. It has the advantages of lightweight, stable yaw, convenient installation, and long service life.

The utility model discloses a water tank with constant pressure measurement function belongs to water tank technical field, aims at solving the most water outlet point of prior art is located water tank under one side of liquid level, and the position of water outlet point is fixed immovably, along with the water supply of carrying out, the liquid level in water supply water tank is constantly reduced, wherein the distance between water outlet point and liquid level will constantly reduce, lead to the water pressure of water outlet point constantly small, although the water tank usually has the water replenishing mechanism to reach the purpose of time water replenishing, but actually still can form fluctuation to the water pressure of water supply water tank, cannot realize constant pressure water supply, and the water replenishing of water tank single, every day also cannot carry out measurement statistics, thereby the actual water replenishing of subsequent management personnel cannot know water tank accurately, thereby bring the problem of influence to the judgment and overhaul of personnel. Including stainless steel water tank, the upper side of stainless steel water tank is connected with inlet pipe, and the other side below of stainless steel water tank is connected with outlet pipe.

The angle-adjustable fixing tool is characterized in that a cylinder and an upper stand column form a two-step cylinder, the diameter of the cylinder is smaller than that of the upper stand column, the cylinder is inserted into an inner hole of a lower stand column and is in clearance fit with the inner hole, and the lower end of the upper stand column is pressed at the upper end of the lower stand column; the lower supporting plate is fixed to the upper stand column, the bolt penetrates through a through hole formed in the lower supporting plate and a through hole formed in the upper supporting plate correspondingly, and the nut is arranged on the bolt in a screwed mode to fixedly connect the lower supporting plate with the upper supporting plate. The upper supporting plate is fixedly connected with the V-shaped iron; the drill bit is placed in a V-shaped groove of the V-shaped iron; the drill bit is pressed and fixed in the V-shaped groove by the pressing plate positioned above the V-shaped groove of the V-shaped iron; the round nut is welded at the tail end of the V-shaped iron; the tool bolt penetrates through the round nut in a screwed mode, and the tail end of the tool bolt makes contact with the tail end of the drill bit. The drill bit supporting block is fixed to the V-shaped iron, and the head of the drill bit supporting block is inserted into the spiral groove of the drill bit. The drill bit polishing and fixing tool is low in cost and high in universality.

The invention discloses a dynamic sterilization method based on cough audio detection and analysis, which comprises the following steps: acquiring hospital audio, dividing the hospital audio into audio segments, identifying audio frames containing cough audio, and merging the audio frames containing the cough audio to obtain cough audio segments; overlapping coughs are separated, and samples of all the single-sound coughs are obtained and correspond to the individuals to which the single-sound coughs belong; judging whether the individual coughs accidentally or not on the basis of the quantity and the time interval of the single-sound coughs, and further judging whether a hospital environment sterilization early warning program needs to be started or not; and for each environment index of the hospital, presetting a corresponding disinfection trigger threshold, and if it is judged that the hospital environment disinfection early warning program needs to be started and the hospital environment index reaches the corresponding disinfection trigger threshold, starting a corresponding disinfection program to complete disinfection of the hospital environment. According to the invention, 'on-demand disinfection 'can be realized accurately and dynamically in real time, and interference to normal medical activities is reduced to the greatest extent while the transmission path of aerosol in a hospital is blocked.

The application relates to a dual-phase high-entropy ceramic material for high-temperature thermal barrier coatings and a preparation method thereof, in particular to a dual-phase high-entropy ceramic (La 0.2 Nd 0.2 Gd 0.2 Y 0.2 Ho 0.2 )2Zr2O7 with low thermal conductivity and high thermal expansion coefficient, which is mainly used for thermal isolation, thermal barrier coatings and other applications in high-temperature environments. The application is prepared by adopting a solid-phase reaction sintering process through accurate design of the combination of rare earth elements, forms a stable dual-phase structure, effectively inhibits grain growth through grain boundary pinning, and thus maintains a nanoscale grain structure. Meanwhile, the material can efficiently block heat transfer at high temperatures through optimization of phase proportion, and the thermal expansion characteristics are matched with a metal base layer, effectively avoiding the falling risk caused by the difference in thermal expansion of the two, and thus greatly improving the service life and reliability of the material in a high-temperature environment. The high-entropy ceramic material of the application can be widely applied to fields with high demand for high-temperature thermal isolation in aerospace, aviation, automobile industry and the like, is especially suitable for thermal barrier coatings, high-temperature thermal insulation materials and other high-temperature thermal insulation applications, and has important engineering application value.